<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
    <title>Document</title>
</head>
<body>
    <div id="app">
        <input type="text" v-model="name">
        <h1>同步的内容：{{name}}</h1>
        {{sex}}
    </div>
    <script>
        var data ={
            name:"123456",
            sex:"男"
        }
        let vm = new  Vue({
            el:"#app",
            // data:{
            //     name:""
            // }
            data:data

        })

    </script>
</body>
</html>